1-6 OF 6
Results shown limited to content with bounding coordinates.
E. O. ULRICH
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article

Are the Graptolites Bryozoans?

E. O. ULRICH, R. RUEDEMANN
Published: 30 June 1931
GSA Bulletin (1931) 42 (2): 589–604.
DOI: https://doi.org/10.1130/GSAB-42-589
PDF
Purchase
Add to Citation Manager
Journal Article

Relative Values of Criteria Used in Drawing the Ordovician-Silurian Boundary

E. O. ULRICH
Published: 30 June 1926
GSA Bulletin (1926) 37 (2): 279–348.
DOI: https://doi.org/10.1130/GSAB-37-279
PDF
Purchase
Add to Citation Manager
Journal Article

Some new facts bearing on correlations of Chester formations

E. O. ULRICH
Published: 01 November 1922
GSA Bulletin (1922) 33 (4): 805–852.
DOI: https://doi.org/10.1130/GSAB-33-805
PDF
Purchase
Add to Citation Manager
Journal Article

Correlation by displacements of the strand-line and the function and proper use of fossils in correlation

E. O. ULRICH
Published: 01 January 1916
GSA Bulletin (1916) 27 (1): 451–490.
DOI: https://doi.org/10.1130/GSAB-27-451
PDF
Purchase
Add to Citation Manager
Journal Article

Index to “Revision of the Paleozoic Systems”

E. O. ULRICH
Published: 01 January 1913
GSA Bulletin (1913) 24 (1): 625–668.
DOI: https://doi.org/10.1130/GSAB-24-625
PDF
Purchase
Add to Citation Manager
Journal Article

Revision of the Paleozoic systems

E. O. ULRICH
Published: 01 January 1911
GSA Bulletin (1911) 22 (1): 281–680.
DOI: https://doi.org/10.1130/GSAB-22-281
PDF
Purchase
Add to Citation Manager